If you know what it means to miss New Orleans, get back to the Big Easy with “Treme.” David Morse (“St. Elsewhere”) and Jon Seda (“The Pacific”) join the cast of the music-tinged post-Katrina-themed drama, which returns for its second season. (HBO, 10 p.m.)

MONDAY

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“American Experience: Stonewall Uprising” revisits 1969’s Stonewall riots, a three-day uprising in New York City’s Greenwich Village that sparked the gay rights movement. And in a sign of how much has changed since then, the new reality series “Setup Squad” tracks the action at a gay-friendly Manhattan dating agency. (KOCE, 9 p.m.; Logo, 10 p.m.)

TUESDAY

The kids from “Glee” get their Gaga’s out – Lady Gaga, that is – with an expanded episode built around the dance-pop diva’s song catalog. And the hits just keep coming as the talent competition “The Voice” makes its debut. (Fox, 8 p.m.; NBC, 9 p.m.)

WEDNESDAY

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Stan, Kyle, Kenny and Cartman – those gleefully foul-mouthed fourth-graders – are back for a sure-to-be silly 15th season of pop-culture spoofing and small-town shenanigans on the return of the off-color animated sitcom “South Park.” (Comedy Central, 10 p.m.)

Didn’t get an invite, or don’t feel like getting up early to watch live? Not to worry. Recaps of the nuptials of Prince William and Kate Middleton will be offered in such specials as “The Royal Wedding: Modern Majesty” and on the newsmagazines “Dateline NBC” and “20/20.” (CBS, 8 p.m.; NBC, 9 p.m.; ABC,

9 p.m.)

SATURDAY

If you care at all about art, documentaries or scale-model World War II action figures, see “Independent Lens: Marwencol.” Outsider artist Mark Hogancamp (below) is profiled in the poignant 2010 documentary. (KLCS, 11 p.m.; also 10 p.m. Tue.)